
American Top 40 debuted on the 4th of July weekend in 1970. Except for a three year period in the middle 1990s, for over thirty years AT40 has brought listeners the world over the top pop hits from across the USA.
Using items items from around the web, here is a decade by decade tribute to the top countdown show of all time.
Please choose a decade:
1970s 1980s 1990s 2000s This page could not have been done without help from several websites. Please read the credits and disclaimer page.